Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual equipe visitante é de Fitzroy?
 ###Tabelas: CREATE TABLE nascar_sprint_cup_series_race_winners (nascar_sprint_cup_series_race_winners_id AUTO_INCREMENT PRIMARY KEY, Season INT, Date VARCHAR, Winning Driver VARCHAR, Car # INT, Sponsor VARCHAR, Make VARCHAR, Distance VARCHAR, Avg Speed VARCHAR, Margin of Victory VARCHAR) CREATE TABLE 2000 (2000_id AUTO_INCREMENT PRIMARY KEY, Date VARCHAR, Title VARCHAR, Director VARCHAR, Producer VARCHAR, Production Cost VARCHAR, Singapore Gross VARCHAR) CREATE TABLE table_of_forms (table_of_forms_id AUTO_INCREMENT PRIMARY KEY, English VARCHAR, German VARCHAR, Dutch VARCHAR, Latin VARCHAR, Romanian VARCHAR, Portuguese VARCHAR, Spanish VARCHAR, Italian VARCHAR, French VARCHAR, Greek (Modern) VARCHAR, Bulgarian VARCHAR, Macedonian VARCHAR, Polish (extinct) VARCHAR) CREATE TABLE list_of_urban_settlements_in_vojvodina (list_of_urban_settlements_in_vojvodina_id AUTO_INCREMENT PRIMARY KEY, Urban settlement VARCHAR, Cyrillic Name VARCHAR, City / municipality VARCHAR, District VARCHAR, Population (1991) INT, Population (2002) INT, Population (2011) INT) CREATE TABLE round_6 (round_6_id AUTO_INCREMENT PRIMARY KEY, Home team VARCHAR, Home team score VARCHAR, Away team VARCHAR, Away team score VARCHAR, Venue VARCHAR, Date VARCHAR)  
SELECT Away team FROM round_6 WHERE Home team = fitzroy